If Bruce Schneier says it is serious…

…then we should take notice.

New Open SSH Vulnerability – Schneier on Security

It is technical, if you do not understand if this impacts you then ask someone.

Clive Catton MSc (Cyber Security) – by-line and other articles

Further Reading

regreSSHion: Remote Unauthenticated Code Execution Vulnerability in OpenSSH server | Qualys Security Blog